Celliant 5-Sided Mattress Protector Depth: 8-13.5", Size: Twin Extra Long Polyester PureCare has introduced Celliant fibers - the worlds first responsive textile with clinically proven benefits to the human body - to bring you the PureCare Celliant 5-Sided Mattress Protector Celliant absorbs and stores energy emissions from the human body and releases them into the skin and deep muscle tissue, increasing capillary size and circulation, which aids in natural biological processes that allow the body to reduce minor aches and pains, heal faster and sleep better, all leading to an overall increase in performance and an overall improved sense of health Conforms to Oeko-Tex Standard 100 Certification, with a 10 year warranty against manufacturing defects